/Engine/Source/Editor/UnrealEd/Public/Kismet2/BlueprintEditorUtils.h
Helper function to get the SkeletonClass, returns nullptr for UClasses that are not generated by aUBlueprint
static const [UClass](API\Runtime\CoreUObject\UObject\UClass) * GetSkeletonClass ( const [UClass](API\Runtime\CoreUObject\UObject\UClass) * FromClass )